| Merseburg to Smolyan | 903.79 mi (1,454.50 km) |
| Merseburg to Sofia | 799.84 mi (1,287.22 km) |
| Merseburg to Sopot | 848.02 mi (1,364.76 km) |
| Merseburg to Sozopol | 961.63 mi (1,547.60 km) |
| Merseburg to Sredets | 947.15 mi (1,524.29 km) |
| Merseburg to Stamboliyski | 868.55 mi (1,397.79 km) |
| Merseburg to Stara Zagora | 889.36 mi (1,431.29 km) |
| Merseburg to Svilengrad | 942.62 mi (1,517.00 km) |
| Merseburg to Svishtov | 819.22 mi (1,318.41 km) |
| Merseburg to Targovishte | 880.91 mi (1,417.69 km) |
| Merseburg to Teteven | 818.11 mi (1,316.62 km) |
| Merseburg to Troyan | 834.71 mi (1,343.34 km) |
| Merseburg to Tryavna | 861.99 mi (1,387.23 km) |
| Merseburg to Tutrakan | 844.29 mi (1,358.75 km) |
| Merseburg to Varna | 931.12 mi (1,498.49 km) |
